8628927920 has 40 divisors (see below), whose sum is σ = 20108671296. Its totient is φ = 3443586048.

The previous prime is 8628927913. The next prime is 8628927929. The reversal of 8628927920 is 297298268.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (8628927929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89912 + ... + 159191.

Almost surely, 2^8628927920 is an apocalyptic number.

8628927920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8628927920 is an abundant number, since it is smaller than the sum of its proper divisors (11479743376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8628927920 is a wasteful number, since it uses less digits than its factorization.

8628927920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249549 (or 249543 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 8628927920 is about 92892.0229083208. The cubic root of 8628927920 is about 2051.0942339877.

The spelling of 8628927920 in words is "eight billion, six hundred twenty-eight million, nine hundred twenty-seven thousand, nine hundred twenty".